3 files changed, 3 insertions, 3 deletions
diff --git a/pkgs/tools/archivers/gnutar/default.nix b/pkgs/tools/archivers/gnutar/default.nix
index e901dcb0f04..e8aeb929f71 100644
--- a/pkgs/tools/archivers/gnutar/default.nix
+++ b/pkgs/tools/archivers/gnutar/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "gnutar-1.14";
   src = fetchurl {
-    url = ftp://ftp.nluug.nl/pub/gnu/tar/tar-1.14.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/tar-1.14.tar.bz2;
     md5 = "f1932e0fbd4641885bfdcc75495c91b7";
   };
 }
diff --git a/pkgs/tools/archivers/unzip/default.nix b/pkgs/tools/archivers/unzip/default.nix
index c871c7755d6..8f68baa2e7d 100644
--- a/pkgs/tools/archivers/unzip/default.nix
+++ b/pkgs/tools/archivers/unzip/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "unzip-5.50";
   builder = ./builder.sh;
   src = fetchurl {
-    url = ftp://ftp.info-zip.org/pub/infozip/src/unzip550.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/unzip550.tar.gz;
     md5 = "798592d62e37f92571184236947122ed";
   };
 }
diff --git a/pkgs/tools/archivers/zip/default.nix b/pkgs/tools/archivers/zip/default.nix
index d5f8f910a7e..055ea5f4b60 100644
--- a/pkgs/tools/archivers/zip/default.nix
+++ b/pkgs/tools/archivers/zip/default.nix
@@ -2,7 +2,7 @@
   name = "zip-2.3";
   builder = ./builder.sh;
   src = fetchurl {
-    url = ftp://ftp.info-zip.org/pub/infozip/src/zip23.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/zip23.tar.gz;
     md5 = "5206a99541f3b0ab90f1baa167392c4f";
   };
 }